1 /* 2 * Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 package sun.awt.windows; 26 27 import java.awt.*; 28 import java.awt.peer.*; 29 30 import sun.awt.SunGraphicsCallback; 31 32 class WPanelPeer extends WCanvasPeer implements PanelPeer { 33 34 // Default background. Gets set on target if 35 // target has none explicitly specified. 36 static final Color defaultBackground = SystemColor.control; 37 38 // Default foreground. Gets set on target if 39 // target has none explicitly specified. 40 static final Color defaultForeground = SystemColor.windowText; 41 42 // ComponentPeer overrides 43 44 @Override 45 public void paint(Graphics g) { 46 super.paint(g); 47 SunGraphicsCallback.PaintHeavyweightComponentsCallback.getInstance(). 48 runComponents(((Container)target).getComponents(), g, 49 SunGraphicsCallback.LIGHTWEIGHTS | 50 SunGraphicsCallback.HEAVYWEIGHTS); 51 } 52 @Override 53 public void print(Graphics g) { 54 super.print(g); 55 SunGraphicsCallback.PrintHeavyweightComponentsCallback.getInstance(). 56 runComponents(((Container)target).getComponents(), g, 57 SunGraphicsCallback.LIGHTWEIGHTS | 58 SunGraphicsCallback.HEAVYWEIGHTS); 59 } 60 61 // ContainerPeer (via PanelPeer) implementation 62 63 @Override 64 public Insets getInsets() { 65 return insets_; 66 } 67 68 // Toolkit & peer internals 69 70 Insets insets_; 71 72 static { 73 initIDs(); 74 } 75 76 /** 77 * Initialize JNI field IDs 78 */ 79 private static native void initIDs(); 80 81 WPanelPeer(Component target) { 82 super(target); 83 } 84 85 @Override 86 void initialize() { 87 super.initialize(); 88 insets_ = new Insets(0,0,0,0); 89 90 if (!((Component) target).isBackgroundSet()) { 91 ((Component) target).setBackground(defaultBackground); 92 setBackground(defaultBackground); 93 } 94 if (!((Component) target).isForegroundSet()) { 95 ((Component) target).setForeground(defaultForeground); 96 setForeground(defaultForeground); 97 } 98 99 } 100 101 /** 102 * DEPRECATED: Replaced by getInsets(). 103 */ 104 public Insets insets() { 105 return getInsets(); 106 } 107 }